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//===--- LocInfoType.h - Parsed Type with Location Information---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the LocInfoType class, which holds a type and its
// source-location information.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_SEMA_LOCINFOTYPE_H
#define LLVM_CLANG_SEMA_LOCINFOTYPE_H
#include "clang/AST/Type.h"
namespace clang {
class TypeSourceInfo;
/// \brief Holds a QualType and a TypeSourceInfo* that came out of a declarator
/// parsing.
///
/// LocInfoType is a "transient" type, only needed for passing to/from Parser
/// and Sema, when we want to preserve type source info for a parsed type.
/// It will not participate in the type system semantics in any way.
class LocInfoType : public Type {
enum {
// The last number that can fit in Type's TC.
// Avoids conflict with an existing Type class.
LocInfo = Type::TypeLast + 1
};
TypeSourceInfo *DeclInfo;
LocInfoType(QualType ty, TypeSourceInfo *TInfo)
: Type((TypeClass)LocInfo, ty, ty->isDependentType(),
ty->isInstantiationDependentType(), ty->isVariablyModifiedType(),
ty->containsUnexpandedParameterPack()),
DeclInfo(TInfo) {
assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?");
}
friend class Sema;
public:
QualType getType() const { return getCanonicalTypeInternal(); }
TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; }
void getAsStringInternal(std::string &Str,
const PrintingPolicy &Policy) const;
static bool classof(const Type *T) {
return T->getTypeClass() == (TypeClass)LocInfo;
}
};
} // end namespace clang
#endif // LLVM_CLANG_SEMA_LOCINFOTYPE_H